The T Rex became the definitive movie dinosaur after Jurassic Park in 1993, and its roar became the sound people imagine for a giant predator, even though real dinosaurs likely did not roar like modern mammals. Short roar clips spread widely on soundboards, in fan films and across social media because the sound is instantly recognisable without any image. Creators keep reusing it for dinosaurs, dragons, monsters and exaggerated reactions, where a single roar does the work of explaining size, anger and danger.